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Or 34 (hwy 33) over Newton Creek

Benton County, Oregon · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Or 34 (hwy 33) over Newton Creek in Benton County, Oregon, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 2007, making it 18 years old at the 2025 inventory.
It carries about 13,380 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 120 of the 190 inventoried bridges in Benton County rated fair (63.2%); 20 (10.5%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings

Source: FHWA National Bridge Inventory, 2025 data as reported by the Oregon department of transportation.

Bridge	Built	Vehicles/day	Condition
OR 99W (Hwy 91) SB over Marys River	1949	23,359	Fair
US 20 (Hwy 33) over Wprr	1960	22,606	Fair
OR 34 (Hwy 33) over Willamette River	1991	22,606	Good
Or 34 (hwy 33) over 3rd & 4th Streets	1992	22,606	Good
US 20 (Hwy 33) over Oak Creek	1960	22,169	Fair
NW 9TH St over Dixon CR	1985	20,182	Fair